Cross-site scripting in WebThings Gateway - CVE-2020-6804

 

Cross-site scripting in WebThings Gateway - CVE-2020-6804

Published: February 29, 2020 / Updated: July 17, 2020


Vulnerability identifier: #VU30345
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-6804
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla IoT
Affected software:
WebThings Gateway

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

A reflected XSS vulnerability exists within the gateway, allowing an attacker to craft a specialized URL which could steal the user's authentication token. When combined with CVE-2020-6803, an attacker could fully compromise the system.


How to mitigate CVE-2020-6804

Install update from vendor's website.

Sources